Mercedes Benz M272 Engine Parts Diagram Jun 2026

The M272 is a powerful engine if maintained properly. Understanding the parts diagram—particularly the distinction between the intake manifold, timing cover, and cam sensor locations—is crucial for managing its known issues.

Plastic/nylon guide rails keep the chain aligned, while a hydraulic chain tensioner applies constant pressure to prevent chain slack.

Maintain zero valve clearance automatically for quieter operation. Mercedes Benz M272 Engine Parts Diagram

When buying components using an official Mercedes-Benz Electronic Parts Catalog (EPC) diagram, always keep your handy. Because Mercedes made mid-generation revisions to the timing chains, balance shafts, and oil separators, parts vary drastically by engine serial number.

: Four continuously variable adjusters for intake and exhaust. Timing Chain The M272 is a powerful engine if maintained properly

A heavy-duty duplex roller chain synchronizing the crankshaft and camshafts.

You can think of the M272 engine as being comprised of several interconnected systems. Understanding these systems is the key to interpreting any parts diagram. : Four continuously variable adjusters for intake and

The M272 features dual overhead camshafts (DOHC) per cylinder bank and 4 valves per cylinder, utilizing continuous variable valve timing (VVT).

The M272 is known for several well-documented failures, often related to its plastic components and early design flaws.

On the diagram, identify the and Rails (Guides) . These plastic guides become brittle over time. If you are doing a rebuild, these are the "while you're in there" parts that must be replaced.

Located at the rear of the cylinder heads, causing oil consumption when failed. To help find the exact component for your vehicle, tell me: What year and model is your Mercedes-Benz? Which specific engine symptom or code are you experiencing?